fotometría

fotometría

In astronomy, the measurement of the light emitting from astronomical objects, generally in the visible or infrared bands, in which a specific or general wavelength band is normally specified.

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行业/领域：天文学
类别普通天文学
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Sistema de Procesado de imágenes astronómicas

天文学; 普通天文学

Developed by the National Radio Astronomy Observatory.

órbita

天文学; 普通天文学

The path of one object about another (used here for an object orbiting the sun).

meteoros

天文学; 普通天文学

Small rocky and/or icy particles that are swept up by the earth in its orbit about the sun. Also called "shooting stars", they travel across the sky in a very short time, from ...

equinoccio

天文学; 普通天文学

Either of the two points (vernal, autumnal) on the celestial sphere where the ecliptic (which is the apparent path of the sun on the sky) intersects the celestial equator. Due to ...

cometa

天文学; 普通天文学

A celestial body orbiting the sun (though some may be ejected from the solar system by planetary perturbations) that displays (at least during a portion of its orbit) some ...

cenit

天文学; 普通天文学

The point directly overhead in the sky.

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